Has anyone fixed the issue of nothing holding up the shower pan except the actual PV plumbing/elbow of the shower drain. Mine started leaking at the drain and I think it is because when I am in the shower the plastic moves when I shift my weight under my feet. Looked under shower pan and nothing is there. Thought about cutting some styrofoam because I don't think it would hold moisture to get moldy and it is light weight but fairly strong. Any suggestions?
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